66481198

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 49640402

約数列:

[1, 2, 7, 14, 127, 139, 254, 269, 278, 538, 889, 973, 1778, 1883, 1946, 3766, 17653, 34163, 35306, 37391, 68326, 74782, 123571, 239141, 247142, 261737, 478282, 523474, 4748657, 9497314, 33240599, 66481198]

約数ペア:

[(1, 66481198), (2, 33240599), (7, 9497314), (14, 4748657), (127, 523474), (139, 478282), (254, 261737), (269, 247142), (278, 239141), (538, 123571), (889, 74782), (973, 68326), (1778, 37391), (1883, 35306), (1946, 34163), (3766, 17653)]